Home / 229,505,722.91-344,258,374.04-71,939,870.65

Finding the Fourth Proportional to 229,505,722.91, 344,258,374.04 and 71,939,870.65

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Solution

The fourth proportional to 229,505,722.91, 344,258,374.04 and 71,939,870.65 is: 107,909,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,505,722.91 : 344,258,374.04 = 71,939,870.65 : x
  2. Step 2: Convert to fraction form
    229,505,722.91/344,258,374.04 = 71,939,870.65/x
  3. Step 3: Cross multiply
    229,505,722.91x = 344,258,374.04 × 71,939,870.65
  4. Step 4: Simplify right side
    229,505,722.91x = 24,765,902,898,616,920
  5. Step 5: Solve for x
    x = 24,765,902,898,616,920/229,505,722.91
  6. Step 6: Final answer
    x = 107,909,740.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.